Dadmonition 

one of the endless warnings your father gives you which is incredibly annoying and redundant

Dad: "Make sure you don't leave your purse in your car. It will get broken into"

Me: "I know dad. I'm tired of all your dadmonitions"

Dadmonition by gabbieaux October 25, 2012

admonition

an act of admonishing ; authoritative counsel or warning

The judge’s admonition to the jury on this point was particularly weighty

admonition by anonymous February 8, 2022